Agency Might Be Concerned About Cost
Of Moving Nuclear Waste, Some Say

BRIDGETON, Mo.—An Environmental Protection Agency review board was pressured by officials at the agency to soften its challenges to an EPA plan for dealing with a highly contaminated radioactive waste site in this St. Louis suburb, a former board member and other people familiar with the matter said.

In what some saw as a sign of the intensity of the dispute, the EPA turned a 2012 review of the site from a public process to a...